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发明名称
Selbsttaetiger Gurtroller fuer Rollaeden
摘要
申请公布号
DE620417(C)
申请公布日期
1935.10.23
申请号
DENDATE042531D
申请日期
申请人
WILHELM EFFERTZ
发明人
分类号
A47H3/12;E06B9/78
主分类号
A47H3/12
代理机构
代理人
主权项
地址
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